The name of their debut single may be “Rock Star,” but the two cousins that make up Prima J are everything but. In fact, Jessica and Janelle Martinez are so down-to-earth, it seems just as odd that their song is the lead track from the Bratz™ Motion Picture Soundtrack (released by Geffen Records July 31st, with the movie following August 3). Far from precocious and everything but bratty, the pair are actually a real-life version of the comradery and competitive edge captured in the movie.

Their recent discovery and success aside, Jessica and Janelle still can’t believe that they’ve not only signed a record deal and are currently finishing their debut album for release later this year, but are also appearing in what is expected to be one of the summer’s cinema hits and have recorded an infectious single destined to help make the soundtrack a smash. “None of this has hit either of us yet,” says Janelle, 18. “I feel like I’m dreaming and someone needs to wake me up. It’s one ... Read full biography